ubidi_setClassCallback

// icuuc.dll
#include <windows.h>

void ubidi_setClassCallback(
    UBiDi* pBiDi,
    UBiDiClassCallback newFn,
    const void* newContext,
    UBiDiClassCallback* oldFn,
    const void** oldContext,
    UErrorCode* pErrorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ubidi_setClassCallback(
    ByRef pBiDi As IntPtr,   ' UBiDi* in/out
    newFn As IntPtr,   ' UBiDiClassCallback
    newContext As IntPtr,   ' void*
    oldFn As IntPtr,   ' UBiDiClassCallback* in/out
    oldContext As IntPtr,   ' void**
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
)
End Sub

' pBiDi : UBiDi* in/out
' newFn : UBiDiClassCallback
' newContext : void*
' oldFn : UBiDiClassCallback* in/out
' oldContext : void**
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Sub ubidi_setClassCallback Lib "icuuc" ( _
    ByRef pBiDi As LongPtr, _
    ByVal newFn As LongPtr, _
    ByVal newContext As LongPtr, _
    ByVal oldFn As LongPtr, _
    ByVal oldContext As LongPtr, _
    ByRef pErrorCode As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ubidi_setClassCallback = ctypes.cdll.icuuc.ubidi_setClassCallback
ubidi_setClassCallback.restype = None
ubidi_setClassCallback.argtypes = [
    ctypes.c_void_p,  # pBiDi : UBiDi* in/out
    ctypes.c_void_p,  # newFn : UBiDiClassCallback
    ctypes.POINTER(None),  # newContext : void*
    ctypes.c_void_p,  # oldFn : UBiDiClassCallback* in/out
    ctypes.c_void_p,  # oldContext : void**
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ubidi_setClassCallback = Fiddle::Function.new(
  lib['ubidi_setClassCallback'],
  [
    Fiddle::TYPE_VOIDP,  # pBiDi : UBiDi* in/out
    Fiddle::TYPE_VOIDP,  # newFn : UBiDiClassCallback
    Fiddle::TYPE_VOIDP,  # newContext : void*
    Fiddle::TYPE_VOIDP,  # oldFn : UBiDiClassCallback* in/out
    Fiddle::TYPE_VOIDP,  # oldContext : void**
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ubidi_setClassCallback(
        pBiDi: *mut isize,  // UBiDi* in/out
        newFn: *const core::ffi::c_void,  // UBiDiClassCallback
        newContext: *const (),  // void*
        oldFn: *mut *const core::ffi::c_void,  // UBiDiClassCallback* in/out
        oldContext: *const *const (),  // void**
        pErrorCode: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void ubidi_setClassCallback(ref IntPtr pBiDi, IntPtr newFn, IntPtr newContext, IntPtr oldFn, IntPtr oldContext, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ubidi_setClassCallback' -Namespace Win32 -PassThru
# $api::ubidi_setClassCallback(pBiDi, newFn, newContext, oldFn, oldContext, pErrorCode)

#uselib "icuuc.dll"
#func global ubidi_setClassCallback "ubidi_setClassCallback" sptr, sptr, sptr, sptr, sptr, sptr
; ubidi_setClassCallback pBiDi, newFn, newContext, oldFn, oldContext, pErrorCode
; pBiDi : UBiDi* in/out -> "sptr"
; newFn : UBiDiClassCallback -> "sptr"
; newContext : void* -> "sptr"
; oldFn : UBiDiClassCallback* in/out -> "sptr"
; oldContext : void** -> "sptr"
; pErrorCode : UErrorCode* in/out -> "sptr"

#uselib "icuuc.dll"
#func global ubidi_setClassCallback "ubidi_setClassCallback" int, sptr, sptr, sptr, sptr, int
; ubidi_setClassCallback pBiDi, newFn, newContext, oldFn, oldContext, pErrorCode
; pBiDi : UBiDi* in/out -> "int"
; newFn : UBiDiClassCallback -> "sptr"
; newContext : void* -> "sptr"
; oldFn : UBiDiClassCallback* in/out -> "sptr"
; oldContext : void** -> "sptr"
; pErrorCode : UErrorCode* in/out -> "int"

; void ubidi_setClassCallback(UBiDi* pBiDi, UBiDiClassCallback newFn, void* newContext, UBiDiClassCallback* oldFn, void** oldContext, UErrorCode* pErrorCode)
#uselib "icuuc.dll"
#func global ubidi_setClassCallback "ubidi_setClassCallback" int, intptr, intptr, intptr, intptr, int
; ubidi_setClassCallback pBiDi, newFn, newContext, oldFn, oldContext, pErrorCode
; pBiDi : UBiDi* in/out -> "int"
; newFn : UBiDiClassCallback -> "intptr"
; newContext : void* -> "intptr"
; oldFn : UBiDiClassCallback* in/out -> "intptr"
; oldContext : void** -> "intptr"
; pErrorCode : UErrorCode* in/out -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procubidi_setClassCallback = icuuc.NewProc("ubidi_setClassCallback")
)

// pBiDi (UBiDi* in/out), newFn (UBiDiClassCallback), newContext (void*), oldFn (UBiDiClassCallback* in/out), oldContext (void**), pErrorCode (UErrorCode* in/out)
r1, _, err := procubidi_setClassCallback.Call(
	uintptr(pBiDi),
	uintptr(newFn),
	uintptr(newContext),
	uintptr(oldFn),
	uintptr(oldContext),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ubidi_setClassCallback(
  pBiDi: Pointer;   // UBiDi* in/out
  newFn: Pointer;   // UBiDiClassCallback
  newContext: Pointer;   // void*
  oldFn: Pointer;   // UBiDiClassCallback* in/out
  oldContext: Pointer;   // void**
  pErrorCode: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'ubidi_setClassCallback';

result := DllCall("icuuc\ubidi_setClassCallback"
    , "Ptr", pBiDi   ; UBiDi* in/out
    , "Ptr", newFn   ; UBiDiClassCallback
    , "Ptr", newContext   ; void*
    , "Ptr", oldFn   ; UBiDiClassCallback* in/out
    , "Ptr", oldContext   ; void**
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ubidi_setClassCallback(pBiDi, newFn, newContext, oldFn, oldContext, pErrorCode) = DLL("icuuc.dll", "int ubidi_setClassCallback(void*, void*, void*, void*, void*, void*)")
# 呼び出し: ubidi_setClassCallback(pBiDi, newFn, newContext, oldFn, oldContext, pErrorCode)
# pBiDi : UBiDi* in/out -> "void*"
# newFn : UBiDiClassCallback -> "void*"
# newContext : void* -> "void*"
# oldFn : UBiDiClassCallback* in/out -> "void*"
# oldContext : void** -> "void*"
# pErrorCode : UErrorCode* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。